Plot hole: Senator Kinsey references the Foothold incident from season 3, yet only a few episodes before it was revealed that Kinsey could never have known about it because it was covered up under presidential orders and he especially was not in on it.

Coombs: I knew I should have updated my will before agreeing to off-world assignments.Felger: You are not going to die, Coombs.Coombs: Oh, come on, Felger. We might as well be wearing red shirts.Felger: I don't get that.

Dom DeLuise and his three sons Peter DeLuise (who has written, directed and produced a number of episodes), Michael DeLuise and David DeLuise have all appeared on the show at least once. Peter DeLuise has appeared many times.